Arixyleborus suturalis (Eggers, 1936) Fig. 29G, H, L

Xyleboricus suturalis Eggers, 1936b: 91.

Arixyleborus suturalis (Eggers): Schedl 1953b: 290.

Type material.

Paratype (NHMW).

New records.

Vietnam: Dong Nai, Cat Tien N.P., 11.44221, 107.43114, 379 m, 20-22.ii.2017, VN78, A.I. Cognato, T.A. Hoang, ex FIT (MSUC, 1).

Diagnosis.

1.5-1.7 mm long (mean = 1.6 mm; n = 5); 2.5-3.0 × as long as wide. This species is distinguished by the protibiae posterior faces inflated, granulate; antennal club wider than long; pronotum lateral margin oblique; pronotum anterior margin without serrations; posterolateral carina acute, carinate; and declivital interstriae 1 strongly elevated on apical 1/2, denticulate, denticles large.

Similar species.

Arixyleborus minor .

Distribution.

Indonesia (Java, Maluku), East & West Malaysia, Thailand, Vietnam*.

Host plants.

Polyphagous (Browne 1961b).

Remarks.

Browne (1961b) gives some details of brood sizes and development.